class Cylinder{
    public int h;
    public  double r;
    public  double pi = 3.14;
    public Cylinder() {
        this(1,1.0);
    }

    public Cylinder(int h, double r) {
        this.h = h;
        this.r = r;
    }
//    double area(){
//        return  pi*r*r;
//    }
//    double volume(){
//        return h*area();
//    }

}
public class Test {
    public static void main(String[] args) {
     Cylinder volu = new Cylinder();
//        System.out.println(volu.area());
//        System.out.println(volu.volume());
    }
}